16618252 has 18 divisors (see below), whose sum is σ = 33830412. Its totient is φ = 7122024.

The previous prime is 16618241. The next prime is 16618271. The reversal of 16618252 is 25281661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42198 + ... + 42589.

Almost surely, 2^16618252 is an apocalyptic number.

It is an amenable number.

16618252 is an abundant number, since it is smaller than the sum of its proper divisors (17212160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16618252 is a wasteful number, since it uses less digits than its factorization.

16618252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84805 (or 84796 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 16618252 is about 4076.5490307367. The cubic root of 16618252 is about 255.1889001439.

The spelling of 16618252 in words is "sixteen million, six hundred eighteen thousand, two hundred fifty-two".